Who owns MAC prefix 8C1F64FD5?

8C1F64FD5 is registered to THE WHY HOW DO COMPANY, Inc. in the IEEE MA-S registry.

What devices use 8C1F64FD5?

Any network device with a MAC address starting 8C:1F:64:FD:5 was manufactured by or for THE WHY HOW DO COMPANY, Inc..

MA-S · OUI prefix

THE WHY HOW DO COMPANY, Inc.

Any MAC address starting 8C:1F:64:FD:5 is registered to THE WHY HOW DO COMPANY, Inc. in JP.

OUI prefix	8C1F64FD5
Vendor	THE WHY HOW DO COMPANY, Inc.
Registry	MA-S (36-bit, small block)
Country	JP
Example MAC	8C:1F:64:FD:5:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F64FD5 to THE WHY HOW DO COMPANY, Inc.. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 8C:1F:64:FD:5, it is THE WHY HOW DO COMPANY, Inc. hardware.

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